Bug 467393 - Oopses running modprobe
Oopses running modprobe
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Kernel Maintainer List
Fedora Extras Quality Assurance
Depends On:
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Reported: 2008-10-17 06:02 EDT by Bastien Nocera
Modified: 2008-10-17 06:43 EDT (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2008-10-17 06:43:12 EDT
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Regression: ---
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RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Bastien Nocera 2008-10-17 06:02:09 EDT
$ sudo modprobe uinput
Segmentation fault

And in dmesg:
BUG: unable to handle kernel paging request at 1100000d
IP: [<c0521851>] strcmp+0x9/0x1d
*pde = 00000000 
Oops: 0000 [#1] SMP 
Modules linked in: i915 drm i2c_algo_bit kvm_intel kvm ipt_MASQUERADE iptable_nat nf_nat rfcomm bridge stp bnep sco l2cap fuse sunrpc ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 cpufreq_ondemand acpi_cpufreq dm_multipath snd_hda_intel snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss firewire_ohci yenta_socket snd_pcm rsrc_nonstatic sdhci_pci firewire_core crc_itu_t snd_timer sdhci snd_page_alloc btusb mmc_core snd_hwdep tg3 iTCO_wdt iTCO_vendor_support snd i2c_i801 iwl3945 soundcore bluetooth rfkill i2c_core libphy option joydev irda crc_ccitt usbserial video output wmi dcdbas ata_generic pata_acpi [last unloaded: microcode]

Pid: 8331, comm: modprobe Not tainted (2.6.27-17.fc10.i686 #1)
EIP: 0060:[<c0521851>] EFLAGS: 00010282 CPU: 0
EIP is at strcmp+0x9/0x1d
EAX: 1100000d EBX: f7e4ce2c ECX: 00000ad9 EDX: f8d36dc0
ESI: 1100000d EDI: f8d36dc0 EBP: f7e4cd50 ESP: f7e4cd48
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process modprobe (pid: 8331, ti=f7e4c000 task=dddf5940 task.ti=f7e4c000)
Stack: c06d19bc 00000ad9 f7e4cd68 c0449bda 00000000 00000ad9 c06d19bc 00000000 
       f7e4cd88 c044919a f7e4ce2c 00000000 00000005 f7e4ce2c f8d3a800 f8d36f30 
       f7e4ce4c c0449208 c0449bba f7e4ce2c f7dfc5d0 f7e4cf8c f7e4cf90 f7dfc5d0 
Call Trace:
 [<c0449bda>] ? find_symbol_in_section+0x20/0xa8
 [<c044919a>] ? each_symbol_in_section+0x22/0x4f
 [<c0449208>] ? find_symbol+0x41/0x21d
 [<c0449bba>] ? find_symbol_in_section+0x0/0xa8
 [<c04cccdb>] ? create_dir+0x4c/0x68
 [<c04ccd24>] ? sysfs_create_dir+0x2d/0x41
 [<c051d404>] ? kobject_add_internal+0xb2/0x153
 [<c051d550>] ? kobject_add_varg+0x35/0x41
 [<c044a188>] ? setup_modinfo_srcversion+0x12/0x1b
 [<c06c4ee6>] ? mutex_unlock+0x0/0xf
 [<c044b14b>] ? load_module+0xcaf/0x186b
 [<c046f42e>] ? generic_file_aio_read+0x4bb/0x4f5
 [<c06c4ee6>] ? mutex_unlock+0x0/0xf
 [<c04f7cb8>] ? selinux_capable+0x7c/0x86
 [<c041d7b6>] ? need_resched+0x18/0x22
 [<c044be01>] ? sys_init_module+0x3f/0x178
 [<c0403c76>] ? syscall_call+0x7/0xb
Code: d8 89 4d ec 89 d1 f2 ae 4f 8b 4d ec 49 78 06 ac aa 84 c0 75 f7 31 c0 aa 8b 45 f0 5b 5e 5b 5e 5f 5d c3 55 89 e5 57 89 d7 56 89 c6 <ac> ae 75 08 84 c0 75 f8 31 c0 eb 04 19 c0 0c 01 5e 5f 5d c3 55 
EIP: [<c0521851>] strcmp+0x9/0x1d SS:ESP 0068:f7e4cd48
---[ end trace 96152cb6976d78ee ]---

kernel- (next reboot one)

Linux snoogens.fab.redhat.com 2.6.27-17.fc10.i686 #1 SMP Thu Oct 16 03:23:04 EDT 2008 i686 i686 i386 GNU/Linux
Comment 1 Bastien Nocera 2008-10-17 06:43:12 EDT
Possibly a problem with depmod, or something, Works fine in kernel- now.

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